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Bowie Resources Limited Bowie No. 2 Mine 2003 Annual Hydrology Report S34-10 Dove Gulch -Spring 34-10 Elevation - 6640 Surface Water Initiated 10131/1997 10/31/7997 10/31/1997 10/31/1997 Activated 12/1/2003 12/112003 12/1/2003 12/1/2003 Date 11!19!2003 9/15/2003 6/222003 5/21/2003 Summary Information ie " P„aramete Baseline Operation UNITS Min Ave Max Min Ave Max Flow GPM 0.0 D.6 11.0 0 0 0 0 Field Comment Dry Dry Dry Dry ph su 7.3 7.4 7.4 Conductivity umhos/cm 320 435 550 Temperature Celsius 8.2 9.1 10.6 ~„arame a UNITS Bicarbonate mg/L 325 335 344 Chloride m IL 5 5 5 Conductivity umhoslcm 622 681 740 Hardness mg/L 170 186 202 Nitrate-Nitrite mg/L <MDL <MDL <MDL Oil and Grease m IL <MDL <MDL <MDL pH su 7.8 7.8 7.8 Phosphate m /L <MDL <MDL <MDL ResidueFilterable-TDS mg/L 370 a00 a30 ResidueNOnFilterable-TS mg/L <MDL 31 62 SAR <MDL <MDL <MDL Sulfate mg/L 40 50 60 Aluminum mg/L 0.07 1.96 3.86 Arsenic m L <MDL 0.001 0.001 Cadmium m 2 <MDL <MDL <MDL Calcium mg/L 40.1 43.4 46.8 Copper mg/L <MDL <MDL <MDL Iron (Total) mg/L 0.05 1.65 3.26 Lead m 2 <MDL <MDL <MDL Magnesium mg/L 16.9 18.8 20.7 Manganese (Total) mg/L <MDL 0.027 0.055 Mercu m /L <MDL <MOL <MDL Molyehdenum m /L <MDL <MDL <MDL Selenium m 2 0.001 0.001 0.001 Sodium IL 70.2 77.4 84.6 Zinc mg/L <MDL 0.01 0.03 The monitoring point for 534-10 is located high on the norfhem /acing slopes that forms the Dove Gulch Canyon. It is accessed on foot from the remnants of an old coal exploration road in the mouth of Dove Gulch. It is one of three springs Iound in this bcation, onginafing in the sandstone oufcrop and discharges via sheet flow into Dove Gulch. Baseline Intonnation for Point 534-70 is tlenved from events beginning on 10/37/97 through 1217/03. Paint infiuencetl by mining on tv1/oa. Figure No. 50